Replied: Sat, 18 Jan 1997 19:13:39 EST
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From: asherman@MIT.EDU
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To: elliot@MIT.EDU
Subject: Internet lecture
Date: Thu, 16 Jan 1997 11:52:57 EST


  Hi Elliot 
I liked your internet lecture thanks
I just had a couple of questions if you have a few minutes:
1.Could you briefly explain how IP checksum is calculated and 
how does it ensure the authenticity of the IP layer header?

2.I tried using POP and HTTP last night directly from 
the prompt and it worked, I also observed SMTP interaction by doing
send -watch, but I was wondering if there is a way to do 
a direct SMTP interaction, meaning sendimg mail using SMTP 
directly?

